package com.itheima.mapper;

import com.itheima.entity.Emp;
import com.itheima.entity.EmpQueryParam;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface EmpMapper {
    @Select("select e.*, d.name deptName from emp e left join dept d on e.dept_id = d.id")
    public List<Emp> findAll();

    @Select("select count(*) from emp e left join dept d on e.dept_id = d.id")
    Long count();


    @Select("select e.*, d.name deptName from emp e left join dept d on e.dept_id = d.id limit #{start}, #{pageSize}")
    List<Emp> page(Integer start, Integer pageSize);

//    @Select("select e.*, d.name deptName from emp e left join dept d on e.dept_id = d.id")
//    List<Emp> list();

    List<Emp> list(EmpQueryParam param);

    @Options(useGeneratedKeys = true, keyProperty = "id")
    @Insert("insert into emp(username, name, gender, phone, job, salary, image, entry_date, dept_id, create_time, update_time) " +
            "values(#{username}, #{name}, #{gender}, #{phone}, #{job}, #{salary}, #{image}, #{entryDate}, #{deptId}, #{createTime}, #{updateTime})")
    void save(Emp emp);
}
